Food rots about 40 times more rapidly at 25 oc thanwhen it is stored at 4 oc. Estimate the overall activation energy for the processes responsible for its decomposition.

Q: What is the role of the activated complex in a chemicalreaction?

A: The role of activated complex in a chemical reaction has to be given.

Q: The act of striking a match illustrates the role of activation energyin a chemical reaction.…

A: The act of striking a match illustrates the role of activation energyin a chemical reaction.

Q: Write the balanced chemical equation for the overall chemical reaction: Write the experimentally-…

A: Answer is as follows:

Q: Specify the pre-equilibrium and steady-state approximations and explain why they might lead to…

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Q: Does the stoichiometric ratio convey information about the actual quantity of reagents used? The…

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Q: 385.66 6.56 x 10-6 a. Use Excel to create graphs of [AB] vs time, 1/[AB] vs time, and In[AB] vs…

A: We are given a set of data between concentration and time, and we have to find its order using…

Q: Which statement is correct regarding the following reaction? (OC);Mn0)-Mn0(CO)5 + Br2 ----->…

A: Polynuclear complexes have generally less CO frequency than mononuclear complexes have.Given…

Q: deltaG tells us if a reaction can occur, but not if a reaction will actually occur. What measurement…

A: The Gibbs free energy tells about the energy which can be used for doing useful work. This parameter…

Q: ct a plausible transition st

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Q: What is the effect of catalyst on:(i) Gibbs energy (ΔG) and(ii) activation energy of a reaction?

A: Catalysts are the compounds that increase the rate of rate of the reaction without being involved in…

Q: The activation energy, Ea, for the reaction N₂O5(g) → 2 NO2(g) + 1/2O2(g) is 111 kJ/mol. Given that…

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Q: (d) What is the value of the activation energy of this reaction, expressed in kilojoules? i kJ/mol…

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Q: Calculate the activation energy, Ea, for the reaction 2 N₂O5 (g) → 4 NO2 (g) + O2(g) rom the…

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Q: A reaction performed at 1.00 °C exhibits a rate constant of 1.115 s–1. What temperature (in °C to…

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Q: What is the activation energy (expressed in kJ/mol) of this reaction?

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Q: What are the two distinct adsorption mechanisms?

A: Adsorption is a surface phenomenon in which the excess concentration of a particular component is…

Q: Determine the activation energy (EA) for a reaction whose rate increases by a factor of three (3)…

A: Interpretation: The activation energy for a reaction whose rate increases by a factor of three (3)…

Q: Consider the 3rd order reversible reaction: 2NO(g) + O2(g) ↔ 2NO2(g) The specific rates of the…

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Q: The following data are for the gas phase decomposition of phosphine at 120 °C. PH3(g)  1/4 P4(g) +…

A: We have the decomposition of phosphine , we have to calculate the half life as well as rate constant…

Q: (b) Explain briefly why it is not possible to establish equilibrium using this mechanism.

A: The continuous formation and consumption of The Products and reactant will never make an equilibrium…

Q: The decomposition of hydrogen peroxide to the water and oxygen gas can be hastened by the addition…

A: The decomposition of hydrogen peroxide can be done by enzyme catalyze and also carried out in…

Q: It was discovered that a beverage stored at room temperature (assume 25 degrees C) spoils 40 times…

A: The relationship between rate constant , temperature and activation energy is given by Arrhenius…

Q: 1 F. Calculate the activation energy by using the given data. T (°C) k (s-') 127 2.9 x 10 177 6.1 x…

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Q: A reaction at 20.0 °C exhibits a rate constant of 0.555 s–1. If the reaction is performed at 60 °C,…

A: Consider the given information is as follows; Initial temperature (T1) = 20.0°C = 20.0 + 273.15 =…

Q: Rate constants for the first-order decomposition of acetonedicarboxylic acid CO(CH2COOH)2(aq) →…

A: CO(CH2COOH)2(aq) → CO(CH3)2(aq) + 2 CO2(g) k = 4.75 ×10–4 s–1 at 293 K k = 1.63 ×10–3 at 303 K.

Q: What is the activation energy for a reaction if K= 1.89 x 10^-1 s^-1 at 541 kelvin and k= 4.34 s^-1…

A: The two point Arrhenius equation is given by,                        where, k1 and k2 is the rate…

Q: What are the requirements to have an effective collision in terms of collision theory and transition…

A: Answer For effective collisions  reacting particles must (1) collide…

Q: Which of the following are true for reactions that have attained equilibrium? The AG is 0. The rate…

A: Equilibrium is a condition at which the forward and reverse reactions occur at same pace. There is…

Q: This is based on the binding of glucose to hexokinase.  The enzyme concentrations are constantly…

A: Solution -

Q: Consider the following reaction mechanism. Step 1 : W2  ⇌ 2W                 (fast) Step 2 : W + Z…

A: Consider the following reaction mechanism. Step 1 : W2  ⇌ 2W                 (fast) Step 2 : W + Z ⇌…

Q: Give four related expressions for the rate of the reaction 2 H2CO(g) + O2(g) → 2 CO(g) + 2 H20(g)

A: The given reaction is  2 H2CO (g) + O2(g) →2CO(g) + 2 H2O (g)

Q: The activation energy of a forward process is 65 kJ/mol, and that of the reverse process is 50…

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Q: Suppose the reduction of nitric oxide proceeds by the following mechanism: step elementary reaction…

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Q: Catalysts are used to speed up chemical reactions. Based on the graph above how do they do this?

A: A question based on activated complex, which is to be accomplished.

Q: what is the effect on k as the activation energy for a reaction increases

A: The Arrhenius equation is given as :

Q: Explain how to calculate the activation energy for the reaction

A: Activation energy is the minimum amount of energy needed to activate or energize molecules or atoms…

Q: Thermodynamic parameters (here the activation energy, enthalpy and entropy) for the release of a…

A: The given data The change in enthalpy, ∆H = -23.6 KJ/mol The change in entropy, ∆S = 59.9 J/K-mol…

Q: At 100°C for these uncatalysed reaction, N;O. (g) = 2NO2 (g) It was found that the partial pressure…

A: The reaction taking place is given as, => N2O4 (g) ------> 2 NO2 (g)  Given : Partial pressure…

Q: (b) Explain what will happen to the activation energy and pre-exponential factor if the following…

A: In a chemical reaction, the conversion of reactants to products requires several criteria to be met.…

Q: State the role of activated complex in a reaction and state its relation withactivation energy.

A: The collision of two molecules could result in the chemical reaction which is done by an activated…

Q: A catalyst increases the rate of reaction by providing an alternative reaction pathway with a higher…

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Q: Suppose that the gas-phase reactions A à B and B à A are both elementary processes with rate…

A: Given: The rate constant for the elementary gas-phase reaction A→B = 4.7×10-1 s-1 The rate constant…

Q: 16. At 298 k and 343k, the first order rate constants of a reaction are 4.82x10-5 S and 1.41×10-²5…

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Q: Define these terms:(a) unimolecular reaction(b) bimolecular reaction(c) elementary reaction(d)…

A: (a)